# Sudoku — Brain Puzzles

> Classic puzzles, every day

Canonical page: [https://chrome-stats.com/d/id6806716481](https://chrome-stats.com/d/id6806716481)

## Overview

- **ID:** `id6806716481`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 月霞 陈
- **Category:** Puzzle
- **Version:** 1.2
- **Last updated:** 2026-09-27
- **First published:** 2026-09-02
- **Size:** 33 MB
- **Data as of:** 2026-10-08
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sudoku-brain-puzzles/id6806716481)
- **Website:** [https://www.sailgogo.com](https://www.sailgogo.com/)
- **Privacy policy:** [https://www.sailgogo.com/mathread/privacypolicy.html](https://www.sailgogo.com/mathread/privacypolicy.html)

## Description

Sudoku — Brain Puzzles brings the classic number game to your phone and tablet with a clean, modern look and gameplay that adapts to you.

THREE BOARD SIZES
• 4×4 (2×2 boxes, numbers 1–4) — perfect for first-timers and quick warm-ups
• 6×6 (2×3 boxes, numbers 1–6) — a comfortable next step
• 9×9 (3×3 boxes, numbers 1–9) — the original, timeless classic

THREE DIFFICULTIES
Easy, Medium and Hard for every board size. Clear Medium to unlock Hard, and rack up stars to chase that perfect 3-star run.

DAILY CHALLENGE
A fresh 9×9 medium puzzle every day, drawn deterministically from our puzzle pack — the same board for everyone, no internet required. Build a streak, climb the local records.

SMART TOOLS
• Pencil-mark Notes with a dedicated button, long-press mode and one-tap Auto that fills all candidates at once
• Undo & Redo (up to 200 steps) so a stray tap never wrecks your run
• Hint reveals a correct cell when you want a nudge
• Tap a number to highlight every match on the board
• Conflict detection flags duplicate numbers in red, without blocking input
• Optional count-up or count-down timer

UNLOCKS & ACHIEVEMENTS
• 12 achievements to chase, from First Win to Sudoku Master
• Local records: total levels cleared, stars, streaks and a per-size progress chart
• Levels unlock one by one; collect stars in Easy to unlock Medium, and in Medium to unlock Hard

BUILT FOR EVERYONE
• Full Arabic localization with right-to-left layout
• 10 languages: English, Simplified & Traditional Chinese, Spanish, Arabic, French, Portuguese, Japanese, German, Hindi
• Light, Dark, Eye-Care and High-Contrast themes
• Print or handwriting digit styles
• Optional haptic feedback, sound and double-tap confirmation
• Profile-based saves with export and per-profile reset

OFFLINE FIRST
All puzzles, achievements and progress live on your device. No account, no login, no network needed. Optional ads support future development and never interrupt a level in progress.

A polished, distraction-free Sudoku for anyone who loves a clean board, a clear pencil and a satisfying streak.

--- Keywords (92 chars) ---
sudoku,puzzle,number,brain,logic,game,classic,9x9,6x6,4x4,daily,challenge,notes,hint,achieve

--- What's New (479 chars) ---
Welcome to Sudoku — Brain Puzzles!

• 4×4, 6×6 and 9×9 boards with Easy, Medium and Hard difficulties
• A new Daily Challenge every day, drawn deterministically — same board for everyone
• Pencil-mark notes, Auto-Notes, Undo/Redo, Hints and conflict detection
• 12 achievements, local records, and a per-size progress chart
• 10 languages including Arabic with full right-to-left support
• Light, Dark, Eye-Care and High-Contrast themes

We hope you enjoy it. Thanks for playing!

## Rankings

- #2,182,686 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6806716481)